893602
Questão 1
Questão
For Fleming's Right Hand Generator Rule, which finger is used to show the polarity of the magnetic field?
Responda
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First Finger
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Thumb
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Second Finger
Questão 2
Questão
What is the relationship between temperature and pressure?
Responda
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Directly Proportional
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Inversely Proportional
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Proportional
Questão 3
Questão
The critical angle for glass is 52 degrees.
Responda
- True
- False
Questão 4
Questão
What is the heaviest element that our Sun will be able to fuse in its lifetime?
Responda
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Helium
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Carbon
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Iron
Questão 5
Questão
When P waves pass through the Earth's inner core to the mantle, their speed:
Responda
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Decreases
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Increases
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Stays the same
Questão 6
Questão
What is the Motor Effect?
Responda
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The energy transferred from a moving coil to a magnetic field.
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The electricity generated by an electromagnet.
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The force experienced by a current-carrying wire in a magnetic field.
Questão 7
Questão
Electromagnetic induction is the creation of a potential difference across any material that is experiencing a change in magnetic field.
Responda
- True
- False
Questão 8
Questão
What is the formula for calculating kinetic energy?
Responda
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KE=Mv2/2
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KE=Mv/2
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KE=M2v2/2
Questão 9
Questão
Charles' Law states that volume and pressure are inversely proportional.
Responda
- True
- False
Questão 10
Questão
What is a protostar?
Responda
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Remnants of a supernova clumping together in the form of gas and dust
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A very dim main sequence star
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Remnants of a white dwarf clumping together in the form of gas and dust
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